TY - JOUR AU - Roshdi Khalil TI - Best Approximation In Vector Valued Function Spaces. JO - Revista colombiana de matematicas PY - 1985 SP - 313 EP - 322 VL - 19 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_1985__19_181762/ ID - RCM_1985__19_181762 ER -